AF4064 Datasheet | AFSEMI

features include charge current monitor, undervoltage lockout, automatic recharge and a status pin to indicate charge termination. - FEATURES : - Li-Ion or Li-Pol Batteries Charge Directly from USB Port or AC Adapter in Space Limited Portable Applications - Integrated P-ch Power MOSFET and Current Sensor for Up to 800m A Charge Applications - Reverse Leakage Protection Prevents Battery Drainage - Pre-charge Conditioning for Reviving Deeply Discharged Cells and Minimizing Heat Dissipation During Initial Stage of Charge - 2.9V Trickle Charge Threshold - Constant-Current/Constant-Voltage operation with Thermal Regulation Maximizes Charge Rate Without Risk of Overheating - Integrated Current and Voltage Regulation ±10% Current Regulation Accuracy ±1% Voltage Regulation Accuracy - Charge Current Monitor Output for Gas Gauging - C/10 Charge Termination - Automatic Recharge - Status Output for LEDs or System Interface Indicates Charge and Fault Conditions - Automatic Sleep Mode for Low-Power Consumption - 25A Supply Current in Shutdown - Battery Short-Circuit Protection - Soft-Start Limits Inrush Current - Charge Voltage Options: 4.20V - APPLICATIONS： - Cellular Telephones, PDAs, MP3 Players - Digital Still Cameras - Charging Docks and Cradles - Bluetooth Applications - Ideal for Low-Dropout Designs for Single-Cell AF-V1.0 .afsemi. 1 / 33 Analog Future Standalone Linear Li-Ion Battery Charger with Thermal Regulation - ORDER INFORMATION(1) Device No. Battery Float Voltage AF4064-SOT23-5 4.20V Package SOT23-5 - TYPICAL APPLICATION CIRCUIT KPROG 1000V Figure 1. Standard Application Circuit - PIN...